//package controller;
//
//import javax.servlet.ServletException;
//import javax.servlet.http.HttpServlet;
//import javax.servlet.http.HttpServletRequest;
//import javax.servlet.http.HttpServletResponse;
//import java.io.IOException;
//
//public class TestServlet extends HttpServlet {
//    protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
//        String param=request.getParameter("num");
//        Integer num=null;
//        if(param!=null){
//            try {
//                num =Integer.parseInt(param);
//            } catch (NumberFormatException e) {
//                e.printStackTrace();
//            }
//        }
//
//    }
//
//    protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
//        doGet(request, response);
//    }
//
//}